Identify Arrhenius acids and bases among the following:
$\begin{matrix} 1. N a C l & 2. H C l 3. C u {(O H)}_{2} & 4. N a O H 5. H_{2} S O_{4} & 6. H N O_{3} 7. K O H \end{matrix}$

1, 2 and 5 are acids and 3, 4 and 7 are bases

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2, 3 and 5 are acids and 1, 4 and 6 are bases

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4, 6 and 7 are acids and the rest are bases

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2, 5 and 6 are acids and 3, 4 and 7 are bases

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Solution

The correct option is D 2, 5 and 6 are acids and 3, 4 and 7 are bases
Arrhenius acid should dissociate $H^{+}$ ions on dissolving in water. So, only 2, 5 and 6 are Arrhenius acids.
Arrhenius bases should dissociate in water to form OH- ions. Hence, 3, 4 and 7 are bases.

$\begin{matrix} S u b s t a n c e & E x a m p l e s A r r h e n i u s A c i d & H C l, H_{2} S O_{4}, H N O_{3} A r r h e n i u s B a s e & C u {(O H)}_{2}, N a O H, K O H \end{matrix}$

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Similar questions

\begin{matrix} 1. N a C l & 2. H C l 3. C u {(O H)}_{2} & 4. N a O H 5. H_{2} S O_{4} & 6. H N O_{3} 7. K O H \end{matrix}

\begin{matrix} 1. N a C l & 2. H C l 3. C u {(O H)}_{2} & 4. N a O H 5. H_{2} S O_{4} & 6. H N O_{3} 7. K O H \end{matrix}

Identify the Arrhenius acids among the following:

1. NaCl 2. HCl 3. $C u (O H)_{2}$ 4. NaOH

5. $H_{2} S O_{4}$ 6. $H N O_{3}$ 7. KOH

Identify the Arrhenius acids among the following:

1. NaCl 2. HCl 3. $C u (O H)_{2}$ 4. NaOH

5. $H_{2} S O_{4}$ 6. $H N O_{3}$ 7. KOH

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